Barrel



FIG. 1 is a top perspective view of the barrel;

FIG. 2 is a first side elevation view of the barrel;

FIG. 3 is a second side elevation view of the barrel;

FIG. 4 is a top plan view of the barrel; and,

FIG. 5 is a bottom plan view of the barrel. 

CLAIM The ornamental design for a barrel, as shown and described. 